Rowlands, G. and Infeld, E.. (2008) Viscous limitation of large-amplitude pulses in two-component plasmas. EPL, 83 (1). -. ISSN 0295-5075

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Abstract

Some time ago, we found an exact solution for nonlinear cold-plasma oscillations against a periodic ion background. The main and somewhat surprising physical effect due to the fixed ion background was the appearance of unbounded-electron density and electric-field intensity peaks. Along with others, we then tried to understand this in terms of realistic physical situations. Here we present a calculation indicating that these infinities can be removed by inclusion of viscous effects. A discussion of possible regions of validity of the model is given. For removal of infinities, the viscosity must be larger than a critical value depending on both the amplitude and spacing of the periodic ion background. Lagrangian coordinates are crucial in this calculation. Copyright (c) EPLA, 2008.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	EPL
Publisher:	EDP SCIENCES S A
ISSN:	0295-5075
Date:	2008
Volume:	83
Number:	1
Number of Pages:	3
Page Range:	-
Identification Number:	10.1209/0295-5075/83/15004
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/29449

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